div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Air content along the Greenland Ice Core Project core: A record of src=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: Air content along the Greenland Ice Core Project core: A record of src=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 3button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5page3jpg target=_blank amp-img class=ts-thumb alt=Page 3: Air content along the Greenland Ice Core Project core: A record of src=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 4button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5page4jpg target=_blank amp-img class=ts-thumb alt=Page 4: Air content along the Greenland Ice Core Project core: A record of src=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 5button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5page5jpg target=_blank amp-img class=ts-thumb alt=Page 5: Air content along the Greenland Ice Core Project core: A record of src=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5thumbnails5jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 6button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5page6jpg target=_blank amp-img class=ts-thumb alt=Page 6: Air content along the Greenland Ice Core Project core: A record of src=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5thumbnails6jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 7button div class=ts-image a href=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5page7jpg target=_blank amp-img class=ts-thumb alt=Page 7: Air content along the Greenland Ice Core Project core: A record of src=https:reader040vdocumentssitereader040viewer20220203015868f8801a28ab6a458b912fhtml5thumbnails7jpg width=142 height=106 layout=responsive amp-imga divdiv